Always perform the calculation yourself to confirm, as your specific protocol may require different doses
If you're not getting enough B12, you can experience anemia, fatigue, weakness, constipation, decreased appetite, weight loss, dizziness, lightheadedness, confusion, poor memory, soreness of your tongue and mouth, and tingling and numbness in your hands and feet, according to Harvard Health Publishing
What are the considerations for intravenous B12 dosing
People with autoimmune disorders (especially thyroid disorders such as Hashimotos thyroiditis and Graves disease) Type 1 diabetes, vitiligo, lupus, Addisons disease, ulcerative colitis, infertility, acquired agammaglobulinemia, or a family history of these disorders
There are no jitters, no appetite suppression through hormonal signaling, and no dependency concerns that come with stimulant-based approaches